<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!--分类数据-->
      <el-col :span="4" :xs="24">
          <div class="head-container" style="margin-bottom: 10px" v-if="selectCategory">
              <el-alert :title="selectCategory" type="info" close-text="取消选中" show-icon @close="cancelSelect" />
          </div>
          <div class="head-container">
              <el-input
                      v-model="categoryName"
                      placeholder="请输入分类名称"
                      clearable
                      prefix-icon="Search"
                      style="margin-bottom: 20px"
              />
          </div>
          <div class="head-container">
              <el-tree
                      :data="categoryOptions"
                      :props="{ label: 'label', children: 'children' }"
                      :expand-on-click-node="false"
                      :filter-node-method="filterNode"
                      ref="categoryTreeRef"
                      node-key="id"
                      highlight-current
                      default-expand-all
                      @node-click="handleNodeClick"
              />
          </div>
      </el-col>
      <!--流程数据-->
      <el-col :span="20" :xs="24">
          <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
              <el-form-item label="名称" prop="name">
                  <el-input
                          v-model="queryParams.name"
                          placeholder="请输入名称"
                          clearable
                          @keyup.enter="handleQuery"
                  />
              </el-form-item>
              <el-form-item>
                  <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
                  <el-button icon="Refresh" @click="resetQuery">重置</el-button>
              </el-form-item>
          </el-form>

          <el-row :gutter="10" class="mb8">
              <el-col :span="1.5">
                  <el-button
                          type="primary"
                          plain
                          icon="Plus"
                          @click="handleAdd"
                  >新增</el-button>
              </el-col>
              <el-col :span="1.5">
                  <el-button
                          type="danger"
                          plain
                          icon="Delete"
                          :disabled="multiple"
                          @click="handleDelete"
                          v-hasPermi="['system:deployment:remove']"
                  >删除</el-button>
              </el-col>
              <el-col :span="1.5">
                  <el-button
                          type="success"
                          plain
                          icon="Briefcase"
                          @click="handleOpenDraft"
                  >草稿箱</el-button>
              </el-col>
              <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
          </el-row>
          <el-alert title="流程设计说明" type="success">
              <template #default>
                  <div>1、XML文件中的流程定义id属性用作流程定义的key参数。</div>
                  <div>2、XML文件中的流程定义name属性用作流程定义的name参数。如果未给定name属性，会使用id作为name。</div>
                  <div>3、当每个唯一key的流程第一次部署时，指定版本为1。对其后所有使用相同key的流程定义，部署时版本会在该key当前已部署的最高版本号基础上加1。key参数用于区分流程定义。</div>
                  <div>4、id参数设置为{processDefinitionKey}:{processDefinitionVersion}:{generated-id}，其中generated-id是一个唯一数字，用以保证在集群环境下，流程定义缓存中，流程id的唯一性。</div>
              </template>
          </el-alert>
          <el-table v-loading="loading" fit :data="definitionList" border @selection-change="handleSelectionChange">
              <el-table-column type="selection" width="55" align="center" />
              <el-table-column label="流程编号" align="center" prop="deploymentId" :show-overflow-tooltip="true"/>
              <el-table-column label="流程标识" align="center" prop="flowKey" :show-overflow-tooltip="true"/>
              <el-table-column label="流程名称" align="center" width="140" :show-overflow-tooltip="true">
                  <template #default="scope">
                      <el-button link type="primary" @click="handleReadImage(scope.row.deploymentId)">
                          <span>{{ scope.row.name }}</span>
                      </el-button>
                  </template>
              </el-table-column>
              <el-table-column label="业务表单" align="center" show-overflow-tooltip>
                  <template #default="scope">
                      <el-button v-if="scope.row.formId" link type="primary" @click="handleForm(scope.row.formId)">
                          <span>{{ scope.row.formName }}</span>
                      </el-button>
                      <label v-else>暂无表单</label>
                  </template>
              </el-table-column>
              <el-table-column label="版本" width="80" align="center">
                  <template #default="scope">
                      <el-tag effect="plain">v{{ scope.row.version }}</el-tag>
                  </template>
              </el-table-column>
              <el-table-column label="状态" width="80" align="center">
                  <template #default="scope">
                      <el-tag effect="plain" v-if="scope.row.suspensionState === 1">激活</el-tag>
                      <el-tag type="danger" effect="plain" v-if="scope.row.suspensionState === 2">挂起</el-tag>
                  </template>
              </el-table-column>
              <el-table-column label="部署时间" align="center" prop="deploymentTime" width="160"/>
              <el-table-column label="操作" width="120" class-name="small-padding fixed-width">
                  <template #default="scope">
                      <el-tooltip content="设计" placement="top">
                          <el-button link type="primary" @click="handleUpdate(scope.row)" icon="Edit" size="small"/>
                      </el-tooltip>
<!--                      <el-tooltip content="配置主表单" placement="top" v-if="scope.row.formId == null">-->
<!--                          <el-button link type="primary" @click="handleAddForm(scope.row)" icon="DocumentAdd" size="small" />-->
<!--                      </el-tooltip>-->
                      <el-tooltip content="挂起" placement="top" v-if="scope.row.suspensionState === 1">
                          <el-button link type="danger" @click="handleUpdateSuspensionState(scope.row)" icon="VideoPause" size="small"/>
                      </el-tooltip>
                      <el-tooltip content="激活" placement="top"  v-if="scope.row.suspensionState === 2">
                          <el-button link type="primary" @click="handleUpdateSuspensionState(scope.row)" icon="VideoPlay" size="small"/>
                      </el-tooltip>
                      <el-tooltip content="删除" placement="top">
                          <el-button link type="danger" @click="handleDelete(scope.row)" icon="delete" size="small" v-hasPermi="['system:deployment:remove']"/>
                      </el-tooltip>
                  </template>
              </el-table-column>
          </el-table>

          <pagination
                  v-show="total>0"
                  :total="total"
                  v-model:page="queryParams.pageNum"
                  v-model:limit="queryParams.pageSize"
                  @pagination="getList"
          />
      </el-col>
    </el-row>

    <!-- 流程图 -->
    <el-dialog :title="readImage.title" v-model="readImage.open" width="70%" append-to-body>
      <bpmn-viewer :flowData="flowData"/>
    </el-dialog>

    <!--表单配置详情-->
    <el-dialog v-model="formConfOpen" width="50%" append-to-body>
      <template #header>
        <span class="inner">{{formTitleConf.formName}}</span>
        <dict-tag class="inner" :options="form_type" :value="formTitleConf.formType"/>
      </template>
      <div class="test-form">
        <v-form-render v-if="renderForm" :form-data="formData" ref="vFormRef"/>
        <component v-else :is="formCompName" ref="vFormRef"></component>
      </div>
    </el-dialog>

    <!--挂载表单-->
    <el-dialog title="流程主表单" v-model="formDeployOpen" width="70%" append-to-body>
      <el-row :gutter="24">
        <el-col :span="10" :xs="24">
          <el-table
            ref="singleTable"
            :data="formList"
            border
            highlight-current-row
            @current-change="handleCurrentChange"
            style="width: 100%">
            <el-table-column label="表单编号" align="center" prop="formId" />
            <el-table-column label="表单名称" align="center" prop="formName" />
            <el-table-column label="表单类型" align="center" prop="formType">
              <template #default="scope">
                <dict-tag :options="form_type" :value="scope.row.formType"/>
              </template>
            </el-table-column>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
              <template #default="scope">
                <el-button link type="primary" size="small" @click="handleDesign(scope.row)">确定</el-button>
              </template>
            </el-table-column>
          </el-table>
          <div style="padding: 32px 16px; left: 70%; position: relative;">
            <pagination
              small
              :containerClass="false"
              layout="prev, pager, next"
              v-show="formTotal>0"
              :total="formTotal"
              v-model:page="formQueryParams.pageNum"
              v-model:limit="formQueryParams.pageSize"
              @pagination="ListFormDeploy"
            />
          </div>
        </el-col>
        <el-col :span="14" :xs="24">
          <div class="test-form">
            <v-form-render v-if="currentRenderForm" :form-data="formData" ref="vFormCurrentRow"/>
            <component v-else :is="currentFormCompName" ref="vFormCurrentRow"></component>
          </div>
        </el-col>
      </el-row>
    </el-dialog>

    <!--草稿信息-->
    <el-dialog
        title="草稿信息"
        size="47%"
        v-model="draftOpen"
        :close-on-press-escape="false"
        :destroy-on-close="true"
        append-to-body
    >
      <el-table v-loading="loading" :data="flowDraftList">
        <el-table-column label="主键" align="center" prop="id" />
        <el-table-column label="草稿名称" align="center" prop="name" />
        <el-table-column label="创建时间" align="center" prop="createTime" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-button
                link
                size="small"
                type="primary"
                icon="Promotion"
                @click="handleUseDraft(scope.row)"
            >使用</el-button>
            <el-button
                link
                size="small"
                type="danger"
                icon="Delete"
                @click="handleDeleteDraft(scope.row)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
          layout="prev, pager, next"
          v-show="draftTotal>0"
          :total="draftTotal"
          v-model:page="draftQueryParams.pageNum"
          v-model:limit="draftQueryParams.pageSize"
          @pagination="getDraftList"
      />
    </el-dialog>
  </div>
</template>

<script setup name="Definition">
import {
  listDefinition,
  updateState,
  delDeployment,
  flowXmlAndNode
} from "@/api/flowable/definition";
import { getForm, addDeployForm ,listForm } from "@/api/flowable/form";
import { categoryTree } from "@/api/flowable/category";
import {delDraft, listDraft} from "@/api/flowable/draft";

import BpmnViewer from '@/components/Process/viewer';
import router from "@/router";

const { proxy } = getCurrentInstance();
import useModelerStore from '@/store/modules/modeler';
const modelerStore = useModelerStore();

const { form_type } = proxy.useDict('form_type');
const loading = ref(true);
// 选中数组
const ids = ref([]);
// 非单个禁用
const single = ref(true);
// 非多个禁用
const multiple = ref(true);
// 显示搜索条件
const showSearch = ref(true);
// 总条数
const total = ref(0);
// 流程定义表格数据
const definitionList = ref([]);
// 弹出层标题
const title = ref("");
// 是否显示弹出层
const open = ref(false);
const formConfOpen = ref(false);
const formDeployOpen = ref(false);
const formList = ref([]);
const formTotal = ref(0);
const deployId = ref('');
const vFormCurrentRow = ref(null);
// xml
const flowData = ref({});
const vFormRef = ref(null)
// 流程分类
const selectCategory = ref(null)
const categoryName = ref(null)
const categoryOptions = ref(undefined);
// 是否渲染在线表单
const renderForm = ref(true);
const currentRenderForm = ref(true);
// 路由表单组件名称
const formCompName = ref('');
const currentFormCompName = ref('');

// 草稿箱
const flowDraftList = ref([]);
const draftLoading = ref(false);
const draftTotal = ref(0);
const draftOpen = ref(false);

const data = reactive({
  formTitleConf: {},
  formData: {}, // 默认表单数据
  readImage:{
    open: false,
    title: "",
  },
  // 查询参数
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: null,
    category: null,
    key: null,
    tenantId: null,
    deployTime: null,
    derivedFrom: null,
    derivedFromRoot: null,
    parentDeploymentId: null,
    engineVersion: null
  },
  formQueryParams:{
    pageNum: 1,
    pageSize: 10,
  },
  // 挂载表单到流程实例
  formDeployParam:{
    formId: null,
    deployId: null
  },
  draftQueryParams: {
    pageNum: 1,
    pageSize: 10,
  },
});

const { queryParams, formData, formTitleConf, readImage, formQueryParams, formDeployParam, draftQueryParams } = toRefs(data);

/** 根据分类名称筛选树 */
watch(categoryName, val => {
    proxy.$refs["categoryTreeRef"].filter(val);
});

/** 查询流程定义列表 */
function getList() {
  loading.value = true;
  listDefinition(queryParams.value).then(response => {
    definitionList.value = response.data.records;
    total.value = response.data.total;
    loading.value = false;
  });
}

/** 通过条件过滤节点  */
const filterNode = (value, data) => {
    if (!value) return true;
    return data.label.indexOf(value) !== -1;
};

/** 节点单击事件 */
function handleNodeClick(data) {
    if (data.parentId === 0) {
        proxy.$modal.msgWarning("父级节点只做分类展示,请选择子节点进行查询!");
    } else {
        queryParams.value.category = data.id;
        selectCategory.value = data.label;
        handleQuery();
    }
}

/** 取消选中 */
function cancelSelect() {
    selectCategory.value = null;
    queryParams.value.category = null;
    proxy.$refs.categoryTreeRef.setCurrentKey(null);
    handleQuery();
}

/** 查询分类下拉树结构 */
function getCategoryTree() {
    categoryTree().then(response => {
        categoryOptions.value = response.data;
    });
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  queryParams.value.category = null;
  proxy.$refs.categoryTreeRef.setCurrentKey(null);
  handleQuery();
}

/** 多选框选中数据 */
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.deploymentId)
  single.value = selection.length!==1
  multiple.value = !selection.length
}

/** 新增流程设计,先选择主表单 */
function handleAdd(row) {
    ListFormDeploy();
}

/** 跳转到流程设计页面 */
function handleUpdate(row) {
  modelerStore.setModules('draftXml', null);
  router.push({
    path: '/flowable/definition/model',
    query: {
      deployId: row.deploymentId,
      category: queryParams.value.category,
      formId: row.formId,
    }
  })
}

/** 流程图查看 */
function handleReadImage(deployId){
  readImage.value.title = "流程图";
  readImage.value.open = true;
  flowXmlAndNode({deployId:deployId}).then(res => {
    flowData.value = res.data;
  })
}

/** 表单查看 */
function handleForm(formId){
  getForm(formId).then(res =>{
    const { formName, formType, formContent } = res.data;
    formTitleConf.value = { formName, formType };
    formConfOpen.value = true;
    // 加载路由表单
    if (formType === 'route') {
      renderForm.value = false;
      formCompName.value = formContent;
      proxy.$nextTick(() => {
        vFormRef.value.setFormData({}, true);
      })
    } else {
      // 加载在线表单
      renderForm.value = true;
      proxy.$nextTick(() => {
        vFormRef.value.setFormJson(formContent);
        proxy.$nextTick(() => {
          vFormRef.value.disableForm();
        })
      })
    }
  })
}

/** 挂载表单弹框 */
function handleAddForm(row){
  formDeployParam.value.deployId = row.deploymentId
  ListFormDeploy();
}

/** 挂载表单 */
function handleDesign(row){
  formDeployOpen.value = false;
  modelerStore.setModules('draftXml', null);
  router.push({
    path: '/flowable/definition/model',
    query: {
      category: queryParams.value.category,
      formId: row.formId,
    }
  })
}

/** 挂载表单列表 */
function ListFormDeploy(){
  listForm(formQueryParams.value).then(res =>{
    formList.value = res.rows;
    formTotal.value = res.total;
    formDeployOpen.value = true;
  })
}

/** 挂载表单列表 */
function handleCurrentChange(data) {
  if (data) {
    const { formType, formContent } = data;
    // 加载路由表单
    if (formType === 'route') {
      currentRenderForm.value = false;
      currentFormCompName.value = formContent;
      proxy.$nextTick(() => {
        vFormCurrentRow.value.setFormData({}, true);
      })
    } else {
      // 加载在线表单
      currentRenderForm.value = true;
      proxy.$nextTick(() => {
        vFormCurrentRow.value.setFormJson(formContent);
        proxy.$nextTick(() => {
          vFormCurrentRow.value.disableForm();
        })

      })
    }
  }
}

/** 挂起/激活流程 */
function handleUpdateSuspensionState(row){
  let state = 1;
  if (row.suspensionState === 1) {
    state = 2
  }
  const params = {
    deployId: row.deploymentId,
    state: state
  }
  updateState(params).then(res => {
    proxy.$modal.msgSuccess(res.msg);
    getList();
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const deploymentIds = row.deploymentId || ids.value;
  proxy.$confirm('是否确认删除流程定义编号为"' + deploymentIds + '"的数据项?', "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning"
  }).then(function() {
    return delDeployment(deploymentIds);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  })
}


// 打开草稿箱
function handleOpenDraft() {
  draftOpen.value = true;
  getDraftList();
}

// 获取草稿箱列表
function getDraftList() {
  draftLoading.value = true;
  listDraft(draftQueryParams.value).then(res => {
    flowDraftList.value = res.rows;
    draftTotal.value = res.total;
    draftLoading.value = false;
  })
}

// 使用草稿
function handleUseDraft(row) {
  draftOpen.value = false;
  modelerStore.setModules('draftXml', row.xml);
  router.push({
    path: '/flowable/definition/model',
    query: {
      category: queryParams.value.category,
      formId: row.formId,
      draftId: row.id,
    }
  })
}

// 删除草稿
function handleDeleteDraft(row) {
  proxy.$modal.confirm('是否确认删除编号为"' + row.id + '"的草稿？').then(function () {
    return delDraft(row.id);
  }).then(() => {
      getDraftList();
      proxy.$modal.msgSuccess('删除成功');
  }).catch(() => {});
}

getCategoryTree();
getList();
</script>

<style>
.inner {
  display: inline-block;
  margin: 5px; /* 可选，设置标签之间的间距 */
}
</style>
